File:1.2-million-galaxies-map-slice.jpg: Difference between revisions
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Each dot in the picture at top indicates the position of a galaxy. The image covers about 1/20th of the sky, a slice of the universe 6 billion light-years wide (thus we see some of these galaxies 6 billion years into the past), 4.5 billion light-years high, and 500 million light-years thick. | Each dot in the picture at top indicates the position of a galaxy. | ||
The image covers about 1/20th of the sky, a slice of the universe 6 billion light-years wide (thus we see some of these galaxies 6 billion years into the past), 4.5 billion light-years high, and 500 million light-years thick. | |||
http://earthsky.org/space/1-2-million-galaxies-in-3d | http://earthsky.org/space/1-2-million-galaxies-in-3d | ||
Revision as of 02:18, 17 July 2016
Each dot in the picture at top indicates the position of a galaxy.
The image covers about 1/20th of the sky, a slice of the universe 6 billion light-years wide (thus we see some of these galaxies 6 billion years into the past), 4.5 billion light-years high, and 500 million light-years thick.
http://earthsky.org/space/1-2-million-galaxies-in-3d
July 2016 - The largest three-dimensional map of our universe so far. It’s a map of 1.2 million galaxies over a quarter of the sky and over a volume of space of 650 cubic billion light-years.
Sloan Digital Sky Survey -- https://www.sdss3.org/
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